layui.use(['element'], function () {
    $ = layui.jquery;
    element = layui.element();

    //导航的hover效果、二级菜单等功能，需要依赖element模块
    // larry-side-menu向左折叠
    if ($(window).width() < 750) {
        trun = 0;
    } else {
        trun = 1;
    }

    $('.larry-side-menu').click(function () {
        if (trun) {
            $('.x-side').animate({left: '0px'}, 200).siblings('.x-main').animate({left: '220px'}, 200);
            trun = 0;
        } else {
            $('.x-side').animate({left: '-220px'}, 200).siblings('.x-main').animate({left: '0px'}, 200);
            trun = 1;
        }

    });


    //监听导航点击
    element.on('nav(side)', function (elem) {
        title = elem.find('cite').text();
        url = elem.find('a').attr('_href');
        // alert(url);

        for (var i = 0; i < $('.x-iframe').length; i++) {
            if ($('.x-iframe').eq(i).attr('src') == url) {

                element.tabChange('x-tab', i);
                return;
            }
        }
        ;

        res = element.tabAdd('x-tab', {
            title: title//用于演示
            , content: '<iframe frameborder="0" src="' + url + '" class="x-iframe"></iframe>'
        });


        element.tabChange('x-tab', $('.layui-tab-title li').length - 1);

        $('.layui-tab-title li').eq(0).find('i').remove();
    });
});


